The ThinkStation D20 PC3-8500 1066MHz DDR3 ECC RDIMM memory offerings let you upgrade standard system memory capacity to improve overall system performance. Features and benefits include:

• Choice of available memory sizes for DDR3 RDIMM memory
• Test-proven 100% compatibility on listed ThinkStation systems
• Meets stringent ThinkStation reliability standards for memory products
• Lenovo Limited Warranty
• Authenticity seal on every memory module

Offerings:

• 1GB PC3-8500 1066MHz DDR3 1RX8 RDIMM Memory (43R2034)
• 2GB PC3-8500 1066MHz DDR3 2RX8 RDIMM Memory (43R2035)
• 4GB PC3-8500 1066MHz DDR3 2RX4 RDIMM Memory (43R2036)
• 8GB PC3-8500 1066MHz DDR3 4RX4 RDIMM Memory (43R2037)

Performance specifications:

• DDR3 offers data transfer rates up to 1600 Mbps
• Lower power consumption of 1.5 volts instead of of 1.8 volts by DDR2 memory
• Higher bandwidth by the 8-bit pre-fetch buffer
• Buffer address, control and clock signals reduce system loading
• 240-pin JEDEC/EIA standard RDIMM interface
• Gold-plated leads

Physical specifications:

• Approximate height: 8 mm (0.3 in)
• Approximate width : 134 mm (5.3 in)
• Approximate depth : 30 mm (1.2 in)
• Approximate weight: 0.1 kg (0.2 lb)

Operating environment:

• Temperature: 0 deg to 55 deg C (32 deg to 131 deg F)
• Relative humidity: 10% to 90%

3 year - Customer Replacement Unit (CRU) Service

• Announce date: 21 Apr 2009 (Worldwide)
• Availability date: 24 Apr 2009 (Worldwide)
• Effective withdrawal date: October 2010

• Memory module (1 GB, 2 GB, 4GB, or 8 GB)
• Memory Fan Cooler (for 4GB and 8GB modules)
• Memory Fan Cooler Setup Poster (for 4GB and 8GB modules)
• Publication